iSMA-B-FCU - One Sightsolutions LTD

iSMA-B-FCU User Manual

FCU Hardware

Global Control 5 Sp. z o.o. Warsaw, Poland www.gc5.pl

iSMA-B-FCU /FCU Hardware

Version 1.1 www.gc5.pl Page 2 / 37

Table of contents

1 Introduction 3 1.1 Document change log 3 1.2 Safety rules 3 1.3 Technical specifications 4 1.4 Dimensions 6

2 Hardware specification 7 2.1 Diagram of terminals and internal connections 7

iSMA-B-FCU-HH 7 iSMA-B-FCU-HL 8 iSMA-B-FCU-LL 9

2.2 Power supply connection 10 24V AC power supply for external equipment 10

2.3 Connecting the communication bus (RS485) 11 RS485 grounding and shielding 11 RS485 network termination 11

2.4 RJ12 Panel connection 12 2.5 Mini USB Port 12 2.6 Front panel LED functions 12 2.7 Setting controller address 13 2.8 Baud rate selection 14 2.9 Protocol selection 15 2.10 Restoring the default settings 15 2.11 Default settings 15 2.12 CFG DIP switch 16

3 ISMA-B-FCU device inputs 17 3.1 Special Inputs 17

Special Inputs operating as digital inputs 17 Special Inputs operating as 0-10 V DC analog inputs 18 Special Inputs operating as resistance inputs 18 Special Inputs operating as temperature inputs 19

3.2 Digital Inputs 20 Digital Input fast counter 20

4 ISMA-B-FCU device outputs 21 4.1 Triac Outputs 21 4.2 Digital Outputs 22

O1 – O3 relays “Fan” 22 O4 – HTG relay “Electrical Heater” 22 O5 – CLG relay “Electrical Cooler” 23

4.3 Analog Outputs 24

5 MAC DIP SWITCH addressing table 26

6 List of supported temperature sensors 32



1 Introduction

This document presents ISMA-B-FCU device hardware information.

1.1 Document change log

V1.1 – iSMA-B-FCU-LL hardware description added

1.2 Safety rules

• Please note: incorrect wiring of this product can cause its’ damage and may result in other hazards. Make sure the product has been correctly wired before turning the power ON.

• Before wiring, or removing / mounting the product, be sure to turn the power OFF. Failure to do so might cause electric shock.

• Do not touch electrically charged parts such as the power terminals. Doing so might cause electric shock.

• Do not disassemble the product. Doing so might cause electric shock or faulty operation.

• Use the product within the operating ranges recommended in the specification (temperature, humidity, voltage, shock, mounting direction, atmosphere etc.). Failure to do so might cause fire or faulty operation.

• Tighten the wires firmly to the terminal. Insufficient tightening of the wires to the terminal might cause fire.



1.3 Technical specifications

iSMA-B-FCU-HH iSMA-B-FCU-HL iSMA-B-FCU-LL

Power supply Voltage 230V AC ± 10% 24V AC ± 10%

Power consumption Max 12VA (Including 7 VA for Triac outputs)

Special Inputs Temperature input Measurement with attached RTDs resolution ±0.1°C

accuracy ±0.2°C at 25°C

Voltage input Voltage measurement from 0 to 10 VDC

(Input impedance 120 KΩ) resolution ±6 mV accuracy ±50 mV

Resistance input Resistance measurement from 0 to 700 kΩ Measurement resolution ±20 Ω for 20 kΩ load

Dry contact input Output current ~0.2 mA

Measurement resolution 12 bits

Digital Inputs Type Dry contact

Max input frequency 100Hz

Analog Outputs Voltage range 0 to 10 V DC

Max. load current 5 mA

Resolution 12 bits

Accuracy ±1%

Digital Outputs (relays)

Resistive load (FAN, CTG)

6A at 230V AC or 6A at 30V DC

Inductive load AC3 (FAN, CTG)

75VA at 230 V AC or 10 W at 30 V DC

Resistive load (HTG) 10A at 230V AC or 10 A at 30 V DC

Inductive load AC3 (HTG)

1/2 HP at 230 V AC

Triac Outputs Load Min: 20 mA Max: 0.5 A at

230 V AC

Min: 20 mA Max: 0.3 A at

24 V AC Imax = 0.3 A =

ITO1 + ITO2 + I24VOut

Min: 20 mA Max: 0.5 A at 24 V

AC

Peak load per channel 1.5 A (30 s)

Gate Control Zero crossing turn ON

Frequency Range 47 to 63 Hz

Snubber Snubberless Triac

Power Supply output

Power Supply output 24 V AC ± 20%, 7 VA

24 V AC ± 20%, 7 VA* * In HL this Power Supply is also

used for Triac Outputs

RS485 RS485 Up to 128 devices



Interface Failsafe Receiver (Bus Open, Bus Shorted, Bus Idle)

Communication protocols

Modbus RTU, Modbus ASCII or BACnet MSTP set by switch

Baud rate From 2400 to 115200 set by switch

Address 0 to 255 set by DIP switch

RJ12 Interface RS485 Up to 128 devices

Communication protocol

Modbus RTU

Baud rate From 2400 to 115200

Power supply 34 V DC ± 15%, 2.5 W

USB USB Mini USB 2.0

Ingress protection

IP IP40

Temperature Storage – 40°C to +85°C

Operating 0°C to +50°C

Humidity Relative 5 to 95%

Connectors Inputs / Outputs, Power Supply and

Communication

Removable

HTG Relay Constant

Maximum cable size 1.5 mm2

Dimensions Width 123 mm

Length 137 mm

Height 55 mm Table 1 Technical specification



1.4 Dimensions

Figure 1 iSMA-B-FCU dimensions (all versions)



2 Hardware specification

2.1 Terminals and internal connection diagram

There are 3 types of hardware available:

• iSMA-B-FCU-HH with 230 V AC power supply and Triac Outputs, • iSMA-B-FCU-HL with 230 V AC power supply and 24 V AC Triac Outputs, • iSMA-B-FCU-LL with 24 V AC power supply and Triac Outputs.

2.1.1 iSMA-B-FCU-HH

iSMA-B-FCU-HH has a high voltage power supply (230 V AC) and high voltage Triac Outputs (230 V AC). The Triac Outputs are connected directly to the main controller power supply as presented in diagram below. The maximum current for each Triac Output is 0.5 A. The maximum power consumed by external equipment connected to the 24 V terminals (L2, N2) cannot exceed 7VA in total.

Figure 2 iSMA-B-FCU-HH diagram of terminals and internal connections



2.1.2 iSMA-B-FCU-HL

iSMA-B-FCU-HL has a high voltage power supply (230 V AC) and low voltage Triac Outputs (24 V AC). The Triac Outputs are connected to a built-in 24 V AC transformer as shown in the below diagram. The maximum power consumed by the external equipment connected to the Triac Outputs and to 24 V terminals (L2, N2) cannot exceed 7 VA in total.

Figure 3 iSMA-B-FCU-HL diagram of terminals and internal connections



2.1.3 iSMA-B-FCU-LL

iSMA-B-FCU-LL has a low voltage power supply and Triac Outputs (24 V AC). The Triac Outputs are connected to power supply terminals. The maximum current for each of the Triac Outputs is 0.5 A. The maximum power used by external equipment connected to the 24 V terminals (L2, N2) cannot exceed 7 VA in total.

Figure 4 iSAM-B-FCU-LL diagram of terminals and internal connections



2.2 Power supply connection

iSMA-B-FCU-HH and iSMA-B-FCU-HL are designed to work with 230 V AC power supply. Each ISMA-B-FCU device is equipped with a built-in 6 A fuse protecting the controller and connected 230 V AC equipment.

Figure 5 230 V AC Power supply connection

iSMA-B-FCU-LL is designed to work with 24 V AC power supply. The device is equipped with a built-in 6 A fuse protecting the controller and connected 24 V AC equipment.

Figure 6 24 V AC Power supply connection

Note: Total current for digital relay outputs O1-O4 cannot exceed 6A.

Note: It is forbidden to use a fuse with current exceeding 6 A! Higher current may permanently damage the device and cause danger to the user and to the equipment!

2.2.1. 24 V AC power supply for external equipment

iSMA-B-FCU-HH is equipped with a 24 V AC, 7 VA power supply output to supply an external equipment like sensors and actuators. This power supply uses a separate coil in the transformer. 24 V AC power supply terminal connection is labeled L2, N2.

iSMA-B-FCU-HL is equipped with a 24 V AC power supply output for thermal valves controlled by Triac Outputs and external devices like sensors and actuators. This power supply uses a separate coil in the transformer. 24 V AC power supply terminal connection is labeled L2, N2. The total power



consumption with thermal valves and external devices cannot exceed 7 VA (~0.3 A).

iSMA-B-FCU-LL is equipped with a 24 V AC, 7 VA power supply output to supply the external equipment like sensors and actuators. This power supply uses a separate 24 V AC transformer. The external separate power supply terminal connection is labeled L2, N2.

2.3 Connecting the communication bus (RS485)

Figure 7 RS485 connection

2.3.1 RS485 grounding and shielding

This device can be exposed to electromagnetic field. Electromagnetic radiation can induce electrical noise into both power and signal lines, as well as direct radiation into the FCU device with negative results for the system. Appropriate grounding, shielding and other protective steps should be taken at the stage of installation to prevent these effects. These protective steps include grounding the control cabinet and the cable shield, installing protective elements for electromagnetic switching devices, correct wiring, as well as proper choice of cable types and their cross sections.

2.3.2 RS 485 network termination

Transmission line effects often present a problem for data communication networks. These problems include reflections and signal attenuation.

To eliminate the presence of reflections of signal from the end of the cable, the cable must be terminated at both ends with a resistor across the line adequate to its characteristic impedance. Both ends must be terminated since propagation is bidirectional. In case of an RS485 twisted pair cable this termination is typically 120 Ω.



2.4 RJ12 Panel connection

RJ12 socket is designed for connecting external modules and LCD panel. The ISMA-B-FCU device has two parallel sockets with the same pin configuration. Those sockets provide communication in Modbus RTU protocol.

RJ12 socket provides also power supply dedicated for external LCD panels with maximum load up to 2.5 W. Before connecting devices powered from RJ12 please calculate the power supply load. Power consumption of the dedicated wall panel iSMA-B-LP with temperature sensor is 0.5 W, so the maximum number of panels on the bus is 5.

RJ12 pins are shown in the figure below.

Figure 8 RJ12 pin description

For short distance, up to 100 m, it is recommended to use the following cables for connection: standard category 3, 4 wire or 6 wire telephone cable straight without crossing (for example YTLYP 6x0.12). For longer distance, it is recommended to use twisted shielded Modbus standard cable.

2.5 Mini USB Port

The iSMA-B-FCU device has a built-in mini USB port designed to manage controller firmware and application, as well as for diagnostics.

This USB port also provides controller power supply for commissioning processes and for application diagnostics. When the controller is powered up by a USB, all inputs and outputs are operational (except for Triac Outputs which require external power supply).

2.6 Front panel LED functions

The ISMA-B-FCU device is equipped with 4 LED diodes for quick status check and diagnostics:

• Power LED lights up (green) after turning the power on. • Communication LED lights up (orange) for 20 ms after sending each package through the main

RS485 port. As long as module receives/sends packages, the Communication LED blinks continuously.



• Extension Communication LED lights up (orange) for 20 ms after sending each package through the extension ports. As long as the module receives / sends packages, the Extension Communication LED blinks continuously.

• User LED is OFF as default, the function is programmable through LED_ALARM component; it blinks very softly when there is a fault during the start-up of Sedona virtual machine.

• During device reset, when Switch 6 in DIP switch PROTOCOL is in ON position (default settings restoration mode), Power LED blinks in 300 ms time intervals. After Switch 6 is switched OFF, Power LED is lit permanently and the default settings are restored.

• When the device remains in bootloader status, the Power LED and the Communication LED blink alternatively. The communication LED keeps its functionality and blinks also after sending/receiving data packages.

2.7 Setting Controller Address

The Controller Address is a setting made with a Dip switch MAC. The procedure of setting the address in presented in the figure and table below. The addressing table is shown at the end of this document.

Figure 9 MAC Dip Switch

Number of Dip Switch

MAC Position Function

1 On Add 1 to MAC Address

Off Add 0 to MAC Address

















Table 1 Setting MAC address with a Dip Switch

Example: Configuration setting of the ISMA-B-FCU device address 83.

Address 83 contains following multiplicity of number 2: 83 = 1 + 2 + 16 + 64. Address DIP switch settings are presented in the table below. All addresses of DIP switch configuration are presented in the table at the end of this document.

Address S1 S2 S3 S4 S5 S6 S7 S8

83 On On On On

Table 2 Address 83 DIP switch configuration

Figure 10 MAC DIP switch address 83 settings

WARNING! In BACnet network setting, the address above 128 automatically switches BACnet to Slave mode. In this mode, the device cannot be discovered in device searching process.

WARNING! Do not set address 255 (all switches in ON position). This address setting is reserved for system operation.

2.8 Baud rate selection

Transmission baud rate is determined by S3 switch (sections 1, 2, and 3) in accordance with the following table:

1 2 3 Baud rate

OFF (0) OFF (0) OFF (0) Defined by the user

OFF (0) OFF (0) ON (1) 76800

OFF (0) ON (1) OFF (0) 4800

OFF (0) ON (1) ON (1) 9600

ON (1) OFF (0) OFF (0) 19200

ON (1) OFF (0) ON (1) 38400

ON (1) ON (1) OFF (0) 57600

ON (1) ON (1) ON (1) 115200

Table 2 Baud rate selection



2.9 Protocol selection

Protocol selection is made with sections 4 and 5 of the S3 switch according to the table:

4 5 Protocol

OFF (0) OFF (0) Modbus RTU

OFF (0) ON (1) Modbus ASCII

ON (1) OFF (0) BACnet Master

ON (1) ON (1) BACnet Slave

Table 3 Protocol selection

WARNING! In BACnet mode switch number 4 must be on ON(1) position and switch number 5 decides if BACnet works in Master or Slave mode (please check on the above table).

2.10 Restoring the default settings

To restore the default ISMA-B-FCU device settings, follow the steps below:

1. Turn power supply off

2. Set section 6 of Protocol switch to ON

3. Turn on power supply, power LED blinking

4. Switch section 6 of Protocol switch to OFF to restore the default settings. To cancel the reset, turn off the power and switch section 6 of Protocol switch to the OFF position.

2.11 Default Settings

Out of the box device as well as after restoring default values procedure, has got the following default settings:

Name Default Value

USER BAUD RATE 76800

STOP BITS 1

DATA BITS 8

PARITY BITS 0

RESPONSE DELAY 0

I1 – I4 DIGITAL INPUT COUNTERS 0

Table 4 Default values



2.12 CFG DIP switch

The ISMA-B-FCU device has, on the top panel, 8 position DIP switch which can be used in client application. Each of 8 positions can have true or false state. This DIP switch is dedicated for setting configuration in client application.

Figure 11 DIP switch CFG



3 ISMA-B-FCU device inputs

ISMA-B-FCU device has two types of inputs: 4 Digital Inputs – for Boolean values, and 4 Special Inputs – for resistance and voltage measurement.

3.1 Special Inputs

ISMA-B-FCU device has 4 built-in special inputs which can work in the following modes:

• Digital Input – dry contact, • Analog Input - 0-10 V DC, • Resistance Input- 0 – 1000 kΩ (1 MΩ), • Temperature Input - working with NTC sensors.

3.1.1 Special Inputs working as digital input

In this mode, Special Input works as a digital input dry contact and reactive Boolean value, false for open circuit and true for close circuit. Circuit status is measured with 1 mA current.

Figure 12 Connection of Special Inputs Dry Contact



3.1.2 Special Inputs working as analog input 0-10 V DC

In this mode, Special Input measures voltage in the range from 0 to 10 V DC (10 000 mV) with 6 mV resolution.

Figure 13 Connection of the Special Inputs voltage sensor

3.1.3 Special Inputs operating as resistance inputs

In this mode, Special Input measures resistance value with voltage driver. The input works in range from 0 to 1000 kΩ (1 MΩ), with resolution ±20 Ω for 20 kΩ load.

Figure 14 Connection of Special Inputs resistance sensor



3.1.4 Special Inputs working as temperature inputs

In this mode, Special Input measures NTC sensor resistance with voltage driver and converts to temperature value. Special Input is equipped with a built-in conversion table for the following NTC sensors:

• 10K3A1 NTC B=3975K temperature sensor • 10K4A1 NTC B=3695K temperature sensor • 10K NTC B=3435K Carel temperature sensor • 20K6A1 NTC B=4262K temperature sensor • 2.2K3A1 NTC B=3975K temperature sensor • 3K3A1 NTC B=3975K temperature sensor • 30K6A1 NTC B=4262K temperature sensor • SIE1 temperature sensor • TAC1 temperature sensor • SAT1 temperature sensor

Figure 15 Connection of Special Inputs NTC sensor



3.2 Digital Inputs

ISMA-B-FCU device is equipped with 4 Digital Inputs. The figure below presents the way they are connected.

Figure 16 Connection of Digital Inputs Dry Contact

3.2.1 Digital Input fast counter

Digital Input can work as a counter of dry contact impulses up to 100 Hz. Counter value is saved in non-volatile EEPROM memory.

WARNING! During Restore to Default process, the value of the counter is set to 0.



4 ISMA-B-FCU device outputs

ISMA-B-FCU device is equipped with three types of outputs: 2 Triac Outputs, 5 Digital Outputs, and 4 Analog Outputs.

4.1 Triac Outputs

ISMA-B-FCU device is equipped with two Triac Outputs designed for heating and cooling thermal valve actuators. Depending on controller model, Triac Outputs can be connected to actuators with 230 V AC supply (for iSMA-B-FCU-HH) or to actuators with 24 V AC supply (for iSMA-B-FCU-HL and iSMA-B-FCU-LL). In iSMA-B-FCU-HL, Triac Outputs are supplied with 24 V AC from a build-in transformer, whereas in iSMA-B-FCU-LL and iSMA-B-FCU-HH Triac Outputs are connected directly to Power Supply terminals.

Triac Outputs can work as typical binary outputs (for Binary Temperature Control) or with PWM modulation. PWM mode has two parameters:

• Duration time in seconds (this value depends on valve parameters) • Fill out (percentage value of signal fill out).

The figure below presents the way actuators are connected to Triac Outputs (for 4 pipes mode).

Figure 17 Connection between Thermal Valves and Triac Outputs: a) iSMA-B-FCU-HH; b) iSMA-B-FCU-HL, and iSMA-B-FCU-LL

WARNING!

In case of iSMA-B-FCU-HH or iSMA-B-FCU-LL controller, the actuators connected to each Triac Output may consume up to 0.5 A under constant load. In some cases the current can be higher for a limited time, 1.5 A up to 30 seconds.

In case of iSMA-B-FCU-HL controller, the sum of power consumption of both Triac Outputs and 24 V AC output cannot exceed 0.3 A (7 VA):

Imax = 0,3 A = ITO1 + ITO2 + I24VOut.



4.2 Digital Outputs

All Digital Outputs are based on relays which can operate with 230 V AC voltage (in iSMA-B-FCU-LL, Digital Outputs are working with 24 V AC). ISMA-B-FCU device has 2 types of digital outputs:

• O1-03 and 05 – relay outputs connected directly to power supply terminal, • O4 – a relay separated from ISMA-B-FCU device circuits.

4.2.1 O1 – O3 relays “Fan”

ISMA-B-FCU device is equipped with three relay outputs, designed for connecting up to 3 speed Fans. The way the Fans are connected (depending on the number of speeds) is presented in the figure below. The common terminal for those outputs is connected directly to Power Supply “L” terminal.

WARNING! Outputs O1-O3 and output O5 are protected by a built-in 6 A fuse. Total current for digital relays outputs O1-03 and O5 cannot exceed 6 A.

WARNING! It is forbidden to use a fuse with current exceeding 6 A! Higher current may permanently damage device and cause danger to the user and to the equipment!

WARNING! In iSMA-B-FCU-LL, 24 V AC Fan motor is required.

An exemplary fan connection is presented in the figure below.

Figure 18 Digital Outputs O1-O3, example of fan connections

4.2.2 O4 – HTG relay “Electrical Heater”

iSMA-B-FCU device is equipped with relay outputs for connecting for example an Electrical Heater. This relay is separated from the rest of the control circuit. Current consumption cannot exceed 10 A with 250 V AC power supply. The figure below presents the way of connecting.



WARNING! HTG relay voltage is always limited to 250 V AC, irrespectively of the power supply version of the FCU controller.

WARNING! This digital output is equipped with a separate circuit with 10 A relay. This circuit requires using external fuse protection up to 10 A. The current higher than 10 A may permanently damage device and cause danger to the user and to the equipment!

Figure 19 Digital Output O4, exemplary Electrical Heater connection

4.2.3 O5 – CLG relay “Electrical Cooler”

ISMA-B-FCU device is equipped with a relay output, which in FCU application is dedicated to an external Cooler. This relay output is internally connected to the power supply, therefore there is no need to connect external supply. In iSMA-B-FCU-HH and iSMA-B-FCU-HL the output voltage in high state is 230 V AC, and in iSMA-B-FCU-LL version the high state voltage is 24 V AC. Current consumption cannot exceed 6 A. An exemplary way of connecting is presented in the figure below.

WARNING! Output O4 and outputs O1-O3 are protected by a 6 A fuse. Total current for digital relay outputs cannot exceed 6A.

WARNING! It is forbidden to use a fuse with current exceeding 6A! Higher current may permanently damage the device and cause a danger to the user and to the equipment!



Figure 20 Digital Output O5, an example of 230 V AC Electrical Cooler connection (iSMA-B-FCU-HH and iSMA-B-FCU-HL version)

Figure 21 Digital Output O5, an example of 24 V AC Electrical Cooler connection (iSMA-B-FCU-LL version)

4.3 Analog Outputs

ISMA-B-FCU device is equipped with 3 Analog Outputs 0-10 V DC. Those outputs are designed for controlling the following actuators:

• A1 (HTG) – analog heating valve actuator, • A2 (CTG) – analog cooling valve actuator, • A3 (FAN) – analog fan speed control.



The recommended way of connecting the Analog Outputs is presented in the figures below.

Figure 22 Analog Outputs, an exemplary connection of analog 0-10 V valve actuators

Figure 23 Analog Outputs, an exemplary connection of analog 0-10 V fan control



5 MAC DIP SWITCH addressing table

Address S1 S2 S3 S4 S5 S6 S7 S8 1 On

2 On

3 On On

4 On

5 On On

6 On On

7 On On On

8 On

9 On On

10 On On

11 On On On

12 On On

13 On On On

14 On On On

15 On On On On

16 On

17 On On

18 On On

19 On On On

20 On On

21 On On On

22 On On On

23 On On On On

24 On On

25 On On On

26 On On On

27 On On On On

28 On On On

29 On On On On

30 On On On On

31 On On On On On

32 On

33 On On

34 On On

35 On On On

36 On On

37 On On On

38 On On On

39 On On On On

40 On On

41 On On On

42 On On On



Address S1 S2 S3 S4 S5 S6 S7 S8 43 On On On On

44 On On On

45 On On On On

46 On On On On

47 On On On On On

48 On On

49 On On On

50 On On On

51 On On On On

52 On On On

53 On On On On

54 On On On On

55 On On On On On

56 On On On

57 On On On On

58 On On On On

59 On On On On On

60 On On On On

61 On On On On On

62 On On On On On

63 On On On On On On

64 On

65 On On

66 On On

67 On On On

68 On On

69 On On On

70 On On On

71 On On On On

72 On On

73 On On On

74 On On On

75 On On On On

76 On On On

77 On On On On

78 On On On On

79 On On On On On

80 On On

81 On On On

82 On On On

83 On On On On

84 On On On

85 On On On On



Address S1 S2 S3 S4 S5 S6 S7 S8 86 On On On On

87 On On On On On

88 On On On

89 On On On On

90 On On On On

91 On On On On On

92 On On On On

93 On On On On On

94 On On On On On


96 On On

97 On On On

98 On On On

99 On On On On

100 On On On

101 On On On On

102 On On On On

103 On On On On On

104 On On On

105 On On On On

106 On On On On

107 On On On On On

108 On On On On

109 On On On On On

110 On On On On On


112 On On On

113 On On On On

114 On On On On

115 On On On On On

116 On On On On

117 On On On On On

118 On On On On On


120 On On On On

121 On On On On On

122 On On On On On


124 On On On On On



127 On On On On On On On

BACnet WARNING! Addressing in the range below will run devices in BACnet Slave mode



Address S1 S2 S3 S4 S5 S6 S7 S8 128 On

129 On On

130 On On

131 On On On

132 On On

133 On On On

134 On On On

135 On On On On

136 On On

137 On On On

138 On On On

139 On On On On

140 On On On

141 On On On On

142 On On On On

143 On On On On On

144 On On

145 On On On

146 On On On

147 On On On On

148 On On On

149 On On On On

150 On On On On

151 On On On On On

152 On On On

153 On On On On

154 On On On On

155 On On On On On

156 On On On On

157 On On On On On

158 On On On On On


160 On On

161 On On On

162 On On On

163 On On On On

164 On On On

165 On On On On

166 On On On On

167 On On On On On

168 On On On

169 On On On On

170 On On On On



Address S1 S2 S3 S4 S5 S6 S7 S8 171 On On On On On

172 On On On On

173 On On On On On

174 On On On On On


176 On On On

177 On On On On

178 On On On On

179 On On On On On

180 On On On On

181 On On On On On

182 On On On On On


184 On On On On

185 On On On On On

186 On On On On On


188 On On On On On




192 On On

193 On On On

194 On On On

195 On On On On

196 On On On

197 On On On On

198 On On On On

199 On On On On On

200 On On On

201 On On On On

202 On On On On

203 On On On On On

204 On On On On

205 On On On On On

206 On On On On On


208 On On On

209 On On On On

210 On On On On

211 On On On On On

212 On On On On

213 On On On On On



Address S1 S2 S3 S4 S5 S6 S7 S8 214 On On On On On


216 On On On On

217 On On On On On

218 On On On On On


220 On On On On On




224 On On On

225 On On On On

226 On On On On

227 On On On On On

228 On On On On

229 On On On On On

230 On On On On On


232 On On On On

233 On On On On On

234 On On On On On


236 On On On On On




240 On On On On

241 On On On On On

242 On On On On On


244 On On On On On




248 On On On On On







255 On On On On On On On On



6 List of supported temperature sensors

No 1 No 2

Sensor 10K3A1 Sensor 10K4A1

β coefficient 3975K β coefficient 3695K

Manufacturers Cylon, Honeywell, Johnson,

Satchwell, Seachange Manufacturers

Andover, Delta Controls, Siebe, York

°C Ω °C Ω

-45 491749 -45 330749

–40 335671 -40 239831

-35 241840 -35 181532

–30 176683 -30 135233

-25 131251 -25 105081

–20 96974 -20 78930

–15 72895 -15 61030

–10 55298 -10 47549

–5 42314 -5 37316

0 32650 0 29490

5 25396 5 23462

10 19904 10 18787

15 15714 15 15136

20 12494 20 12268

25 10000 25 10000

30 8056 30 8197

35 6530 35 6754

40 5325 40 5594

45 4367 45 4656

50 3601 50 3893

55 2985 55 3271

60 2487 60 2760

65 2082 65 2339

70 1751 70 1990

75 1480 75 1700

80 1256 80 1458

85 1070 85 1255

90 916 90 1084

95 787 95 939

100 678 100 817

105 587 105 713

110 510 110 624

115 444 115 547



No 1 No 2

120 388 120 482

125 340 125 426

No 3 No 4

Sensor 10K Sensor 20K6A1


Manufacturers Carel Manufacturers Honeywell

°C Ω °C Ω

–40 188500 –40 806800

-35 144100 -35 574400

–30 111300 –30 413400

-25 86430 -25 300400

–20 67770 –20 220600

–15 53410 –15 163480

–10 42470 –10 122260

–5 33900 –5 92220

0 27280 0 70140

5 22050 5 53780

10 17960 10 41540

15 14690 15 32340

20 12090 20 25340

25 10000 25 20000

30 8313 30 15886

35 6940 35 12698

40 5827 40 10212

45 4912 45 8260

50 4161 50 6718

55 3536 55 5494

60 3020 60 4518

65 2588 65 3732

70 2228 70 3098

75 1924 75 2586

80 1668 80 2166

85 1451 85 1823

90 1266 90 1541

95 1108 95 1308

100 973 100 1114



No 3 No 4

105 857 105 953

110 758 110 818

115 672 115 704

120 597 120 609

125 531 125 528

No 5 No 6

Sensor 2.2K3A1 Sensor 3K3A1


Manufacturers Ambiflex, Johnson Manufacturers Alerton

°C Ω °C Ω

–50 154464 –50 200348

-45 -45 150524

–40 77081 –40 100701

-35 -35 76853

–30 40330 –30 53005

-25 -25 41048

–20 22032 –20 29092

–15 –15 21868

–10 12519 –10 16589

–5 9529 –5 12694

0 7373 0 9795

5 5719 5 7619

10 4487 10 5971

15 3539 15 4714

20 2814 20 3748

25 2252 25 3000

30 1814 30 2417

35 1471 35 1959

40 1199 40 1598

45 983 45 1310

50 812 50 1080

55 672 55 896

60 561 60 746

65 469 65 625

70 395 70 526

75 333 75 444

80 284 80 377

85 241 85 321



No 5 No 6

90 207 90 275

95 177 95 236

100 154 100 204

105 132 105 176

110 116 110 153

115 115 133

120 88 120 117

125 125 102

No 7 No 8

Sensor 30K6A1 Sensor SIE1

β coefficient 4262K Manufacturers Barber Colman, Siebe

Manufacturers Drayton °C Ω

°C Ω –50 10732

–30 622911 -45 10624

-25 477393 –40 10517

–20 331876 -35 10344

–15 245785 –30 10172

–10 183697 -25 9913

–5 138502 –20 9654

0 105305 –15 9320

5 60713 –10 8933

10 62347 –5 8496

15 48511 0 8044

20 38019 5 7489

25 30000 10 6938

30 23828 15 6370

35 19046 20 5798

40 15317 25 5238

45 12390 30 4696

50 10079 35 4185

55 8243 40 3707

60 6777 45 3271

65 5600 50 2875

70 4650 55 2521

75 3879 60 2206

80 3251 65 1929

85 2737 70 1685



No 7 No 8

90 2313 75 1472

95 1963 80 1287

100 1672 85 1127

105 1430 90 986

110 1228 95 866

115 1058 100 760

120 915 105 670

125 793 110 590

115 522

120 462

125 410

No 9 No 10

Sensor TAC1 Sensor SAT1

β coefficient 3500K Manufacturers Satchwell

Manufacturers TAC °C Ω

°C Ω -45 9652

–40 39024 –40 9584

-35 29358 -35 9467

–30 22284 –30 9349

-25 17073 -25 9159

–20 13192 –20 8968

–15 10276 –15 8708

–10 8068 –10 8396

–5 6382 –5 8031

0 5085 0 7614

5 4078 5 7150

10 3294 10 6649

15 2676 15 6121

20 2188 20 5580

25 1800 25 5039

30 1488 30 4513

35 1237 35 4012

40 1034 40 3545

45 869 45 3117

50 733 50 2730

55 622 55 2386

60 529 60 2082



65 453 65 1816

70 389 70 1585

75 335 75 1385

80 290 80 1213

85 252 85 1064

90 220 90 937

95 192 95 828

100 169 100 734

105 149 105 654

110 131 110 585

115 116 115 525

120 103 120 474

125 92 125 429

Date post:	07-Feb-2022
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